Answer:
B. passed through levels A, B, and C to organisms
Explanation:
DDT is an insecticide that passed through the food chain from one trophic level to the next.
The concentration of DDT increases with the each trophic level in food chain and the amount of toxin increases as passes from A to B, B to C, and C to D where D has the higher concentration of DDT as it is the higher trophic level than A, B, and C.
Hence, the correct answer is "B. passed through levels A, B, and C to organisms".
Answer:
The subclavian vein.
Explanation:
The subclavian vein is a big blood vessel that is part of the vascular system in the neck. Once the lymph is absorbed after digestion, through the villi lined in the small intestine. it is carried upward into this vein where the lymph diffuses through the wall of the lmphatic duct to enter into the subclavian vein.
Hope that answers the question, have a great day!
Answer:Sugar molecules contain carbon, hydrogen, and oxygen: Their hydrocarbon backbones are used to make amino acids and other carbon-based molecules that can be assembled into larger molecules (such as proteins and DNA)
These are fun facts about greenhouse gases that...
1.) The three greenhouse gases that are of most concern are Carbon Dioxide (CO2), Nitrous Oxide (N2O), and Methane (CH4).
2.) Greenhouse gases trap heat in the atmosphere warming the Earth’s temperature above freezing. This is known as the Greenhouse effect.
3.) Greenhouse gases are naturally produced; however humans produce additional amounts of certain greenhouse gases.
According to https://umanitoba.ca/faculties/afs/discovery_centre/greenhousegas/media/Fun_Facts_.pdf
